Either when you reinstall OS or add a new drive it seems to of disabled auto mount

Confirm you have read/write access on the server you on

Server Manager->File and Storage Services->Volumes->Storage Pools

Right-click storage pool and choose “Set Read-Write access” and OK on the prompt

Set drive to automatically mount in powershell

Get-VirtualDisk | select friendlyname,ismanualattach

friendlyname ismanualattach
———— ————–
4TB True
2TB False
Front Bay False
Msata False

Update all disk to be auto

get-VirtualDisk | Set-VirtualDisk -IsManualAttach $False

Confirm check applied

Get-VirtualDisk | seect friendlyname,ismanualattach

friendlyname ismanualattach
———— ————–
4TB False
2TB False
Front Bay False
Msata False